APA (7th ed.) Citation

Li, J., Yang, H., Zha, S., Yu, N., Liu, X., & Sun, R. Effects of COVID-19 Emergency Response Levels on Air Quality in the Guangdong-Hong Kong-Macao Greater Bay Area, China. Springer.

Chicago Style (17th ed.) Citation

Li, Jie, Haotian Yang, Shuping Zha, Nu Yu, Xingang Liu, and Ruofei Sun. Effects of COVID-19 Emergency Response Levels on Air Quality in the Guangdong-Hong Kong-Macao Greater Bay Area, China. Springer.

MLA (9th ed.) Citation

Li, Jie, et al. Effects of COVID-19 Emergency Response Levels on Air Quality in the Guangdong-Hong Kong-Macao Greater Bay Area, China. Springer.